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Thread: Celestion Ditton 15 XR - speaker refurbishment

  1. #1
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 9,321
    I'm Andrew.

    Default Celestion Ditton 15 XR - speaker refurbishment

    I've finally got round to dismantling my dittons. I intend to rewire then and add new binding posts as well as isolating the cross over. I've just bought my 99.99% pure silver with teflon coating, problem is I dont know if I should crimp or solder??? There is a part of me which wants to use 11% silver solder but then again it has 89% of other bits which arn't as conductive. Do you think it would be better to add silver plated crimps??? I've just gone and bought the crimping pliers cheaply from eBay and was considering using silver plated crimps?? What do you guts think??

  2. #2
    Join Date: May 2008

    Location: Cricklewood

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    I'm ILOB.

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    Try this link that Barry wrote for the AOS Libary
    http://theartofsound.net/forum/showt...light=crimping
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    Humour: One of the few things worth taking seriously

  3. #3
    Join Date: May 2008

    Location: A Strangely Isolated Place in Suffolk with Far Away Trains Passing By...

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    I'm David.

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    You have a pair of mid-resolution speakers with hundreds of feet of COPPER wire in the coils and inductor(s) driven by an amp full of wafer-thin circuit track? and myriad solder joints and and you're fussing over soldering or crimping the speaker terminals?

    Just use a clean bit and low melting point solder. Silver wire really isn't necessary on these, but a good clean solder joint will be - or an air-tight crimp if you can achieve it
    Tear down these walls; Cut the ties that held me
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  4. #4
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,012
    I'm AudioAl'sArbiterForPISHANTO.

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    You have a pair of mid-resolution speakers with hundreds of feet of COPPER wire in the coils and inductor(s) driven by an amp full of wafer-thin circuit track? and myriad solder joints and and you're fussing over soldering or crimping the speaker terminals?


    That's right - you tell 'im, Dave!

    Marco.
    Main System

    Turntable: Heavily-modified Technics SL-1210MK5G [Mike New bearing/ETP platter/Paul Hynes SR7 PSU & reg mods]. Funk Firm APM Achromat/Nagaoka GL-601 Crystal Record Weight/Isonoe feet & boots/Ortofon RS-212D/Denon DL-103GL in Denon PCL-300 headshell with Funk Firm Houdini/Kondo SL-115 pure-silver cartridge leads.

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp/Denon AU-310 SUT.

    Other Cartridges: Nippon Columbia (NOS 1987) Denon DL-103. USA-made Shure SC35C with NOS stylus. Goldring G820 with NOS stylus. Shure M55E with NOS stylus.

    CD Player: Audiocom-modified Sony X-777ES/DAS-R1 DAC.

    Tape Deck: Tandberg TCD 310, fully restored and recalibrated as new, by RDE, plus upgraded with heads from the TCD-420a. Also with matching TM4 Norway microphones.

    Preamps: Heavily-modified Croft Charisma-X. LDR Stereo Coffee. Power Amps: Tube Distinctions Copper Amp fitted with Tungsol KT-150s. Quad 306.

    Cables & Sundries: Mark Grant HDX1 interconnects and digital coaxial cable, plus Mark Grant 6mm UP-LCOFC Van Damme speaker cable. MCRU 'Ultimate' mains leads. Lehmann clone headphone amp with vintage Koss PRO-4AAA headphones.

    Tube Distinctions digital noise filter. VPI HW16.5 record cleaning machine.

    Speakers: Tannoy 15MGs in Lockwood cabinets with modified crossovers. 1967 Celestion Ditton 15.


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  5. #5
    Join Date: Dec 2008

    Location: Yorks

    Posts: 16,643
    I'm Nobody.

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    I don't have patience to go over all this again so i won't.

  6. #6
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 9,321
    I'm Andrew.

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    Yep these speakers are crap they sound hopeless next door to my ATC's but they are my 1st attempt at tweaking a speaker. I'm doing it for pleasure
    I only ask these simple questions to further my ability to tweak.

  7. #7
    Join Date: Dec 2010

    Location: Northampton

    Posts: 1,373
    I'm Mark.

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    I've always crimped first and then applied a little solder if possible. I also tend to strip the wire just before connecting rather than use a bit that has been stripped for a while. You'd probably not be able to tell the difference between solders to be honest, but you might have better ears than mine.

  8. #8
    Join Date: May 2008

    Location: A Strangely Isolated Place in Suffolk with Far Away Trains Passing By...

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    I'm David.

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    Quote Originally Posted by Dingdong View Post
    I've always crimped first and then applied a little solder if possible. I also tend to strip the wire just before connecting rather than use a bit that has been stripped for a while. You'd probably not be able to tell the difference between solders to be honest, but you might have better ears than mine.
    Excellent advice sir!
    Tear down these walls; Cut the ties that held me
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  9. #9
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,012
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    Default

    Yep these speakers are crap...
    Lol - I wouldn't go that far, Andrew. Mine actually sound rather good: like a (somewhat) scaled down version of my 66s

    Marco.
    Main System

    Turntable: Heavily-modified Technics SL-1210MK5G [Mike New bearing/ETP platter/Paul Hynes SR7 PSU & reg mods]. Funk Firm APM Achromat/Nagaoka GL-601 Crystal Record Weight/Isonoe feet & boots/Ortofon RS-212D/Denon DL-103GL in Denon PCL-300 headshell with Funk Firm Houdini/Kondo SL-115 pure-silver cartridge leads.

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp/Denon AU-310 SUT.

    Other Cartridges: Nippon Columbia (NOS 1987) Denon DL-103. USA-made Shure SC35C with NOS stylus. Goldring G820 with NOS stylus. Shure M55E with NOS stylus.

    CD Player: Audiocom-modified Sony X-777ES/DAS-R1 DAC.

    Tape Deck: Tandberg TCD 310, fully restored and recalibrated as new, by RDE, plus upgraded with heads from the TCD-420a. Also with matching TM4 Norway microphones.

    Preamps: Heavily-modified Croft Charisma-X. LDR Stereo Coffee. Power Amps: Tube Distinctions Copper Amp fitted with Tungsol KT-150s. Quad 306.

    Cables & Sundries: Mark Grant HDX1 interconnects and digital coaxial cable, plus Mark Grant 6mm UP-LCOFC Van Damme speaker cable. MCRU 'Ultimate' mains leads. Lehmann clone headphone amp with vintage Koss PRO-4AAA headphones.

    Tube Distinctions digital noise filter. VPI HW16.5 record cleaning machine.

    Speakers: Tannoy 15MGs in Lockwood cabinets with modified crossovers. 1967 Celestion Ditton 15.


    Protect your HUMAN RIGHTS and REFUSE ANY *MANDATORY* VACCINE FOR COVID-19!

    Also **SAY NO** to unjust 'vaccine passports' or certificates, which are totally incompatible with a FREE society!!!


  10. #10
    Join Date: May 2008

    Location: A Strangely Isolated Place in Suffolk with Far Away Trains Passing By...

    Posts: 14,535
    I'm David.

    Default

    I wouldn't have said they were crap either, just not perhaps worth fitting with loads of silver wires and solder when so much copper is used in the signal path in the voice-coils - as it is in the ATC's as well, albeit edge wound in the latter's voice coils (can't remember of the sectioning is square or rectangular, but I believe ATC had a tool to convert the original round coil- wire for their purposes.).
    Tear down these walls; Cut the ties that held me
    Crying out at the top of my voice; Tell me now if you can hear me

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